* @param builder
*/
protected void ajax(int time, String data, ParametersBuilder builder) {
JSFunction function = new JSFunction("simulationContext.ajax", time, data, builder.getParameters());
page.executeJavaScript(function.toScript());
}
protected void executeOnTime(int time, String expression) {
JSFunction function = new JSFunction("simulationContext.executeOnTime", time,
new JSFunctionDefinition().addToBody(expression));